The area is cleared when the power supply is turned off once and turned on again. The P/PE link memory is located in th

It enables reception only when CD (Carrier Detection) is ON. (Other operations are the same as those in the DTE mode.)

The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose fi

The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one

Common memory 1 and common memory 2 are handled together in terms of timing. However, to maintain the uniqueness of data

The optical converter NP1L-OL1 is an optical converter of the SX bus. It cannot be used because the SX bus is not a lin

One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs

In MICREX-SX, a scan list is automatically created by registering the remote I/O to be connected to the master module in

Set the port No. as described below. (1) For NP1L-RS2_ Set '0.' (2) For NP1L-RS4_ Set '1.' See the figure below for th

They are retained. Note, however, that they are cleared if the power of the FL-net module is turned off.

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GLOBAL > PLC > SPH > Communication (Others)

Latest FAQ

When I write parameter to LonWorks module (NP1L-LW1) using support tool for a LonWorks (NP4N-LNDF), what is the required cable?
When using a communication module (NP1L-RS1/RS2/RS3/RS4/RS), the FB outputs R_STS 'C0' (Hardware error detected) during receiving. In this case, ho...
I use DeviceNet interface module (NP1L-RD1) under DeviceNet master (NP1L-DN1). How can I specify NP1L-RD1 in the system definition?
In the communication module (NP1L-RS1/RS2/RS3/RS4/RS5), is it possible to change communication parameter such as fixed length to variable length af...
With the FL-net module (NP1L-FL1/FL2/FL3), is there any way to confirm that the data sent from the node-A have actually been received by the node-B?

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FAQ within [ Communication (Others) ]

1-10 of Total 53

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In the P/PE link area, is the send area of the local station cleared when the power supply is turned off once and turned on again? Is there any set...

The area is cleared when the power supply is turned off once and turned on again. The P/PE link memory is located in the built-in memory (RAM) of the P/PE-l... Show Detail
- No：1436
- Displayed Date：2023/04/25 19:00
What will the operation be when the general-purpose communication parameter 8 of the non-procedure standard expansion FB for communication _Cfr* is...

It enables reception only when CD (Carrier Detection) is ON. (Other operations are the same as those in the DTE mode.) Show Detail
- No：1598
- Displayed Date：2023/04/25 19:00
What is necessary for MODBUS_RTU communication between SPH and an external device?

The following are necessary. 1) Hardware: General-purpose communication module (NP1L-RS1/RS2/RS3/RS4/RS5) whose firmware version is V42 or later ... Show Detail
- No：1469
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/09 13:29
The total extension of the SX bus has exceeded 25 m. Is there anything to relay the connection?

The bus can be extended with the SX bus electrical repeater (Type_ NP2L-RP1). Up to three repeaters can be used in one system. (When three repeaters are us... Show Detail
- No：1550
- Displayed Date：2023/04/25 19:00
With the common memory of FL-net, I set word data with common memory 2 and bit data with common memory 1. Please describe the timing of transmissio...

Common memory 1 and common memory 2 are handled together in terms of timing. However, to maintain the uniqueness of data including those in common memory 1 a... Show Detail
- No：1311
- Displayed Date：2023/04/25 19:00
Is it possible to use the optical converter NP1L-OL1 between processors as with the P-link?

The optical converter NP1L-OL1 is an optical converter of the SX bus. It cannot be used because the SX bus is not a link between processors. Show Detail
- No：1327
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:31
With D300win, I used a non-procedural FB (_C_free) in a program for compilation and an error occurred. What is the cause of this problem?

One possible cause is that common FB _C_COM is not registered with the library. For communication-related expansion FBs including _C_FREE, register common... Show Detail
- No：1329
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:32
With the DeviceNet master module (Type_ NP1L-DN1), how can I create a scan list and register it with the master module?

In MICREX-SX, a scan list is automatically created by registering the remote I/O to be connected to the master module in the system configuration definitions... Show Detail
- No：1346
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:35
For the initial setting of a general-purpose communication module with only one communication port such as NP1L-RS2 and NP1L-RS4, is it correct to ...

Set the port No. as described below. (1) For NP1L-RS2_ Set '0.' (2) For NP1L-RS4_ Set '1.' See the figure below for the setting for each type of genera... Show Detail
- No：1383
- Displayed Date：2023/04/25 19:00
- Updated DTM：2023/06/13 15:45
When the communication cable is disconnected with an FL-net module (Type_ NP1L-FL1/FL2/FL3), are the FL-net common memory data retained? Or are the...

They are retained. Note, however, that they are cleared if the power of the FL-net module is turned off. Show Detail
- No：1405
- Displayed Date：2023/04/25 19:00